Tornadoes tore through the Dallas area on Tuesday, tearing roofs off homes, tossing trucks into the air and leaving flattened tractor trailers strewn along highways and parking lots.

Footage from highway video cameras showed a large, dark funnel cloud moving on the ground not far from a major interstate early Tuesday afternoon. Crumpled orange tractor trailers were later visible in a Dallas County parking lot, as well as flattened trailers along the sides of highways and access roads. You can watch some of that footage here: